BCM43455XKUBGT Datasheet, PDF (26/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
BCM43455
Shaded areas are internal to the device.
Figure 4: Typical Power Topology (Page 2 of 2)
BCM43455 PMU Features
VBAT
BTLDO2P5
Max 70 mA
Avg 15 mA
2.5V
LDO3P3
Spike 800 mA
Max 450 mA
Avg 200 mA
3.3V
2.2 µF
0402
4.7 µF
0402
10 pF
0201
2.5V Internal LNLDO
10 mA
2.5V
2.5V Internal LNLDO
25 mA
2.5V Internal LNLDO
8 mA
2.5V
2.5V
BT CLASS 1 PA
WL RF – PA (2.4 GHz, 5 GHz)
WL RF – PAD (2.4 GHz, 5 GHz)
VDDIO_RF
WL OTP 3.3V
WL RF – RX, TX, NMOS miniPMU LDOs
WL RF – VCO
WL RF – CP
Power switch
No power switch
No dedicated power switch, but
internal power-down modes and
block-specific power switches.
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 25